125135574 has 8 divisors (see below), whose sum is σ = 250271160. Its totient is φ = 41711856.

The previous prime is 125135557. The next prime is 125135579. The reversal of 125135574 is 475531521.

It is a sphenic number, since it is the product of 3 distinct primes.

125135574 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125135579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10427959 + ... + 10427970.

It is an arithmetic number, because the mean of its divisors is an integer number (31283895).

Almost surely, 2^125135574 is an apocalyptic number.

125135574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125135574 is a wasteful number, since it uses less digits than its factorization.

125135574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855934.

The product of its digits is 21000, while the sum is 33.

The square root of 125135574 is about 11186.4012980046. The cubic root of 125135574 is about 500.1807000205.

The spelling of 125135574 in words is "one hundred twenty-five million, one hundred thirty-five thousand, five hundred seventy-four".